G - Physics – 09 – B
Patent
G - Physics
09
B
35/16
G09B 9/08 (2006.01) G02B 27/01 (2006.01) G02B 27/00 (2006.01)
Patent
CA 1121592
ABSTRACT OF THE DISCLOSURE The invention provides head-coupled area-of-interest visual display apparatus particularly for ground-based craft- flight simulators. The apparatus provides a display projected onto the inside of a part-spherical shell which surrounds the pilot and carries a retro-reflective screen. The displayed scene covers an area of interest dependent upon craft position and heading and viewer's instantaneous line of view. The image generator may be of the computer generated image, laser-scanned model or closed-circuit television type. Multiple images are required for stereoscopic viewing or for more than one viewer. Line scanning apparatus is cockpit-mounted; line image is trans- mitted by fibre optic light guide ribbon and frame scan apparatus is mounted on a helmet worn by the viewer. A sensor measures heat/helmet movement to permit voluntary scanning of a wide angle simulated view from the craft. The projected image is divided into zones each zone using separate 1ine-scanning means and fibre optic light guide. The frame scanning projector means provides simultaneous frame scanning of each zone.
343516
Murray Paul M.
Spooner Archer M.
Fetherstonhaugh & Co.
Redifon Simulation Limited
LandOfFree
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